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Finding the Third Proportional to 36,406 and 54,865

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Solution

The third proportional to 36,406 and 54,865 is: 82,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,406 : 54,865 = 54,865 : x
  2. Step 2: Convert to fraction form
    36,406/54,865 = 54,865/x
  3. Step 3: Cross multiply
    36,406x = 54,865 × 54,865
  4. Step 4: Simplify right side
    36,406x = 3,010,168,225
  5. Step 5: Solve for x
    x = 3,010,168,225/36,406
  6. Step 6: Final answer
    x = 82,683.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.